229840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 60

約数和(自身を含む): 612684

約数和(自身を除く): 382844

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 169, 170, 208, 221, 260, 272, 338, 340, 442, 520, 676, 680, 845, 884, 1040, 1105, 1352, 1360, 1690, 1768, 2210, 2704, 2873, 3380, 3536, 4420, 5746, 6760, 8840, 11492, 13520, 14365, 17680, 22984, 28730, 45968, 57460, 114920, 229840]

約数ペア:

[(1, 229840), (2, 114920), (4, 57460), (5, 45968), (8, 28730), (10, 22984), (13, 17680), (16, 14365), (17, 13520), (20, 11492), (26, 8840), (34, 6760), (40, 5746), (52, 4420), (65, 3536), (68, 3380), (80, 2873), (85, 2704), (104, 2210), (130, 1768), (136, 1690), (169, 1360), (170, 1352), (208, 1105), (221, 1040), (260, 884), (272, 845), (338, 680), (340, 676), (442, 520)]